{"airworthiness_class":"Standard","airworthiness_date":"2008-01-17","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"2008-09-17","city":"SEATTLE","country_code":"US","county_code":"033","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"54585","engine_horsepower":650,"engine_maker":"ROLLS-ROYC","engine_model":"250-C47B","engine_thrust_lb":0,"expiration_date":"2028-04-30","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"helicopters","kit_mfr":"","kit_model":"","last_action_date":"2023-05-05","maker":"Bell Helicopter Textron Canada","maker_country":null,"maker_raw":"BELL HELICOPTER TEXTRON CANADA","maker_segment":null,"mfr_mdl_code":"1182154","mode_s_code":"51143624","mode_s_hex":"A4C794","model":"407","n_number":"N407KS","name":"KING COUNTY SHERIFFS OFFICE","ntsb_checked":true,"ntsb_records":[{"city":"Renton","damage":"SUBS","date":"2012-12-28","highest_injury":"NONE","ntsb_no":"WPR13TA081","probable_cause":"The pilot's failure to maintain helicopter control during takeoff from an unstable landing platform. Contributing to the accident was the operator's inadequate chocking procedures for the wheeled landing platform, which included chocking only two of the platforms four rear wheels and led to the platform's instability.","registration":"N407KS","state":"WA","summary":"Accident on December 28, 2012 at Renton, WA: no injuries, substantial damage.","type":"ACC"}],"num_engines":1,"other_names":"","plain_english":"N407KS is a Bell Helicopter Textron Canada 407, a rotorcraft with turboshaft engines (a helicopter or multicopter), built in 2008. It has 8 seats. It is registered to King County Sheriffs Office, a government body in Seattle, Washington. The registration is valid: it was issued on September 17, 2008 and expires on April 30, 2028. It holds a standard airworthiness certificate for normal, dated January 17, 2008.","records_check":[{"finding":"Valid registration to King County Sheriffs Office, a government body, certificate issued September 17, 2008, expires April 30, 2028. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Standard certificate for normal, dated January 17, 2008, consistent with the 2008 manufacture year.","item":"Airworthiness certificate","source":1,"status":"CLEAR"},{"finding":"No earlier tail number is recorded against serial 53812 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"No other airframe has carried N407KS according to the deregistered file.","item":"Tail number reuse","source":2,"status":"CLEAR"},{"finding":"No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file.","item":"Recent registry documents","source":3,"status":"NOTE"},{"finding":"1 NTSB record under N407KS: Accident on December 28, 2012 at Renton, WA: no injuries, substantial damage. Details below.","item":"Accident and incident record","source":4,"status":"ATTENTION"},{"finding":"These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.","item":"Title chain, liens and 337 forms","source":null,"status":"PENDING"},{"finding":"AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.","item":"Airworthiness directives and utilization","source":null,"status":"PENDING"}],"records_check_sources":[{"n":1,"name":"FAA Releasable Aircraft Database, master file","url":"https://registry.faa.gov/"},{"n":2,"name":"FAA deregistered aircraft file (part of the same download)","url":"https://registry.faa.gov/"},{"n":3,"name":"FAA document index: registry documents received in recent weeks","url":"https://registry.faa.gov/"},{"n":4,"name":"NTSB aviation accident database (CAROL)","url":"https://data.ntsb.gov/carol-main-public/basic-search"}],"region":"Northwest Mountain","region_code":"S","registrant_type":"Government","registrant_type_code":"5","seats":8,"serial_number":"53812","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"WA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"516 3RD AVE RM W150 KC CART","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Turboshaft","type_engine_code":"3","unique_id":"00428399","url":"https://eflight.com/aircraft/N407KS","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2008,"zip":"981042392"}